One of Oakley's most popular styles, Oakley Turbine XS sunglasses are designed for an active lifestyle. Clean lines, large rectangular lenses, and inset zones of sure-grip Unobtainium, makes these sunglasses stylish and comfortable. The Turbine XS has all of the style and durability of the Turbine frames, in a smaller, youth size that is specially engineered for the anatomy of young faces.